64985005

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 82817280

約数和(自身を除く): 17832275

約数列:

[1, 5, 23, 79, 115, 311, 395, 529, 1555, 1817, 2645, 7153, 9085, 24569, 35765, 41791, 122845, 164519, 208955, 565087, 822595, 2825435, 12997001, 64985005]

約数ペア:

[(1, 64985005), (5, 12997001), (23, 2825435), (79, 822595), (115, 565087), (311, 208955), (395, 164519), (529, 122845), (1555, 41791), (1817, 35765), (2645, 24569), (7153, 9085)]